How to realize the screen projection of Android phone

If you use Huawei mobile phone, take Huawei P40 mobile phone as an example:

First, the wired projection screen

1. Use C jumper for screen projection.

(1) Prepare type C jumper.

One end of the Type-C jumper is Type-C, and the other end can be HDMI, DP or MiniDP. Please select the appropriate jumper according to the port of large screen equipment.

(2) Connect the mobile phone terminal to the Type-C port, and connect the large screen device to the other terminal.

(3) Switch the input signal source to the HDMI, DP or MiniDP entrance corresponding to the jumper at the big screen.

2. Use docking station equipment for screen projection.

Using the projection screen of the docking station device, you can connect the mobile phone to the big screen and access and use the wired keyboard and mouse at the same time.

(1) Prepare to expand the terminal equipment.

The docking station supports type C to multiple ports. For example, if a large screen device is connected to an HDMI port, you can use a Type-C docking station device that converts from HDMI to USB.

(2) Insert the mobile phone and large-screen equipment into the docking station through patch cords, and insert the USB keyboard and mouse into the USB interface of the docking station.

(3) Switch the input signal source to the HDMI, DP or MiniDP entrance corresponding to the jumper at the big screen.

Second, the wireless projection screen

1. According to the model and function of your large-screen device, select the following actions:

If you don't know whether the large-screen device supports Miracast protocol, or how to open the wireless projection screen on the large-screen side, you can consult the manual of the large-screen device or consult the equipment manufacturer.

If the big screen supports Miracast protocol, turn on the setting switch of wireless projection screen on the big screen.

If the large screen does not support Miracast protocol, plug the wireless projector into the HDMI interface of the large screen and connect the power cord of the wireless projector.

2. On the mobile phone side, slide out the notification panel from the status bar at the top of the screen, and click the wireless network icon to open WLAN.

3. Continue to slide out of the entire menu, open the wireless projection screen, and the mobile phone begins to search for large-screen devices.

You can also go to Settings > More Connections > Phone Screen and turn on the wireless screen switch.

4. Select the name of the corresponding large-screen device in the device list to complete the screen projection.

If you use a wireless projector, please select the device name of the wireless projector.